Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849482 | Process for suspension polymerization of vinyl chloride in a reactor equipped with a reflux condenser and a modified brumaging impeller | Teiji Kobayashi, Yoshio Tomishima, Taizo Yamamoto | 1989-07-18 |